Esophagitis is a disease of the esophagus, accompanied by inflammation of its mucous membrane.The most common cause is gastroesophageal reflux, which leads to damage to the esophageal mucosa due to exposure to acid-peptic factors. In case the esophagitis is caused by reflux, it is called reflux esophagitis.Other causes of esophagitis include:Infections (most often candida fungi, herpes simplex...